CN103752665A - Device and process for differential temperature shearing multi-curvature bend compensation - Google Patents
Device and process for differential temperature shearing multi-curvature bend compensation Download PDFInfo
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- CN103752665A CN103752665A CN201310746474.6A CN201310746474A CN103752665A CN 103752665 A CN103752665 A CN 103752665A CN 201310746474 A CN201310746474 A CN 201310746474A CN 103752665 A CN103752665 A CN 103752665A
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Abstract
The invention discloses a device for differential temperature shearing multi-curvature bend compensation. The device comprises a fixed die, a movable die and a positioning box. The fixed die is formed by a lower fixed die, an upper fixed die, a replaceable gap sleeve, a fuse device and a material conveyor. The movable die is composed of a replaceable complete sleeve, a lower movable die, an upper movable die, a high-torque nut, a screw and a right clamping device. The material conveyor is formed by a hydraulic rod and a left clamping device. The upper fixed die and the lower fixed die are arranged in the positioning box, the upper fixed die is located above the lower fixed die and abuts against the left side of the positioning box, and the replaceable gap sleeve is embedded between the upper fixed die and the lower fixed die and is in interference fit with the upper fixed die and the lower fixed die. The fuse device is composed of a movable fuse winding, a fixed fuse winding and a detachable metal wire, and two ends of the fuse device are matched with safety pins at two ends of a temperature controller. A process comprises two steps. According to the device, wrinkling in the pipe processing process and pipe wall fracture can be effectively improved, and pipes processed are firmer and more durable.
Description
Technical field
The present invention relates to a kind of compensation equipment and technique, relate in particular to a kind of differential temperature and shear multi-curvature bend pipe compensation equipment and technique.
Background technology
Traditional bending techniques, when processing bend pipe, there will be tubing outer ring attenuate, and inner ring is wrinkling, the phenomenon that even tubing breaks, and exist certain limitation for the size of bending pipes curvature.
Now, along with reducing and the increase of force transmission region length of straigh line of bending pipes radius, in thin-wall pipes shear-bow process, often occur the wrinkling of tubing and tube wall fracture phenomena, the wrinkling and tube wall fracture phenomena of tubing will finally affect processing pipe workpiece quality afterwards; Therefore in process, the wrinkling and tube wall fracture phenomena of tubing more and more becomes people's urgent problem in production and processing tubing process, does not also have good process equipment and technique to avoid or improve the generation of the wrinkling and tube wall fracture phenomena of tubing in process at present.
Summary of the invention
In order to solve the existing weak point of above-mentioned technology, in order to improve the wrinkling and tube wall fracture phenomena in tubing process, the invention provides a kind of differential temperature and shear multi-curvature bend pipe compensation equipment and technique.
In order to solve above technical problem, the technical solution used in the present invention is: a kind of differential temperature is sheared multi-curvature bend pipe compensation equipment, comprise cover half, dynamic model, location case, cover half consists of lower cover half, upper cover half, replaceable gap sleeve, fuse device and material conveyer; Dynamic model is comprised of replaceable complete sleeve, lower dynamic model, upper dynamic model, large torque nut, screw rod and right binding clasp; Material conveyer consists of hydraulic stem and left binding clasp;
Upper cover half, lower cover half device in the case of location, upper cover half be positioned at lower cover half above and near the left side of location case; Replaceable gap sleeve be embedded between cover half and lower cover half and and upper cover half, lower cover half carry out interference fit;
Fuse device is by movable fuse winding, fixing fuse winding and can unload groups of metal filaments and become, and the two ends of fuse device coordinate with the latch at temperature controller two ends.
Material conveyer is positioned at lower cover half left side, and the hydraulic stem of material conveyer, left binding clasp are threaded with lower cover half.
Upper dynamic model in dynamic model and lower dynamic model are laid the right side that is positioned at location case, and finely tune by dog screw; Upside and screw rod that upper dynamic model is positioned at lower dynamic model are threaded connection; Lower dynamic model is connected with upper dynamic model with bolt by bearing pin.
Screw rod is arranged in the guide groove of location case.
Large torque nut is threaded with screw rod, and is close to the upper end, right side that is attached to location case.
Replaceable complete sleeve coordinates with upper dynamic model, lower dynamic model and embeds between dynamic model and lower dynamic model; Described right binding clasp is welded on the right side of lower dynamic model.
The operating procedure of technique is as follows:
1, first according to the diameter of tubing, the position of dynamic model and upper dynamic model under logical excessive torque nut and dog screw adjustment, make lower dynamic model and upper dynamic model in the vertical direction guarantee that the central shaft of replaceable complete sleeve aligns with the central shaft of the replaceable gap sleeve on lower cover half, upper cover half, make the distance of the right flank of left surface in the horizontal direction of lower dynamic model, upper dynamic model and lower cover half, upper cover half be about the length of pipe diameter;
2, after adjusting, tubing, through replaceable complete sleeve and replaceable gap sleeve, is adjusted and wanted bending position, by the device that steps up of lower dynamic model right-hand member, tubing is stepped up; Then the latch at serviceability temperature controller two ends is connected to the two ends of fuse device, to movable fuse winding, fixing fuse winding heating; After can unloading the heated thawing of wire, can under the effect of movable fuse winding, the unloaded wire melting be pressed into replaceable gap sleeve, and flow on the upper surface of tubing; The meanwhile large torque nut of rotation slowly, moves straight down lower dynamic model and upper dynamic model, thereby reaches the effect of bend pipe; After to be processed, can take out tubing.
Use of the present invention can effectively improve the generation of the wrinkling and tube wall fracture phenomena in tubing process, makes the tubing after processing more durable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the local structure for amplifying schematic diagram of Fig. 1.
Fig. 3 is the upper structural representation of determining film of the present invention.
Fig. 4 is the topology view of lower dynamic model of the present invention.
Fig. 5 is the topology view of location of the present invention case.
Fig. 6 is the structural representation of bend pipe.
Fig. 7 is the structural representation of fuse device.
Fig. 8 is the structural representation of the temperature controller that is connected with fuse device.
Fig. 9, Figure 10 are respectively the structural representation of replaceable gap sleeve and replaceable complete sleeve.
In figure: 1, location case; 2, lower cover half; 3, replaceable complete sleeve; 4, lower dynamic model; 5, fastening bolt; 6, right binding clasp; 7, dog screw; 8, upper dynamic model; 9, large torque nut; 10, screw rod; 11, upper cover half; 12, replaceable gap sleeve; 13, hydraulic stem; 14, left binding clasp; 15, movable fuse winding; 16, fixing fuse winding; 17, can unload wire; 18, latch; 19, temperature controller; 20, temperature control handle; 21, time control handle.
The specific embodiment
As shown in Fig. 1-Figure 10, the present invention includes cover half, dynamic model, location case 1, fastening bolt 5, right binding clasp 6, dog screw 7, large torque nut 9, screw rod 10, latch 18, temperature controller 19, temperature control handle 20, time control handle 21.
Cover half consists of lower cover half 2, upper cover half 11, replaceable gap sleeve 12, fuse device and material conveyer; Dynamic model is comprised of replaceable complete sleeve 3, lower dynamic model 4, upper dynamic model 8, large torque nut 9, screw rod 10 and right binding clasp 6.Material conveyer consists of hydraulic stem 13 and left binding clasp 14.
Fuse device is by movable fuse winding 15, fixing fuse winding 16 and can unload wire 17 and form.
Thereby the two ends of fuse device coordinate with the latch 18 at temperature controller two ends to realize, wire is heated and temperature control.
Material conveyer is positioned at lower cover half left side, and hydraulic stem 13, the left binding clasp 14 of material conveyer are threaded with lower cover half 2.
Upper dynamic model 8 in dynamic model and lower dynamic model 4 are laid the right side that is positioned at location case 1, and finely tune by dog screw 7.Upside and screw rod 10 that upper dynamic model 8 is positioned at lower dynamic model 4 are threaded connection.Lower dynamic model 4 is connected with upper dynamic model 8 with bolt by bearing pin.
Replaceable complete sleeve 3 coordinates with upper dynamic model 8, lower dynamic model 4 and embeds between dynamic model 8 and lower dynamic model 4.Right binding clasp 6 is welded on the right side of lower dynamic model 4.
The operating procedure of compensate for process of the present invention is as follows:
1, first according to the diameter of tubing, logical excessive torque nut 9 and dog screw 7 are adjusted the position of lower dynamic model 4 and upper dynamic model 8, make lower dynamic model 4 and upper dynamic model 8 in the vertical directions guarantee that the central shaft of replaceable complete sleeve 3 aligns with the central shaft of the replaceable gap sleeve 12 on lower cover half 2, upper cover half 11, make the distance of the right flank of left surface in the horizontal direction of lower dynamic model 4, upper dynamic model 8 and lower cover half 2, upper cover half 11 be about the length of pipe diameter;
2, after adjusting, tubing, through replaceable complete sleeve 3 and replaceable gap sleeve 12, is adjusted and wanted bending position, by the device 6 that steps up of lower dynamic model 4 right-hand members, tubing is stepped up; Then the latch 18 at serviceability temperature controller 19 two ends is connected to the two ends of fuse device, and movable fuse winding 15, fixing fuse winding 16 are heated; After can unloading the heated thawing of wire 17, can under the effect of movable fuse winding 15, the unloaded wire 17 melting be pressed into replaceable gap sleeve 12, and flow on the upper surface of tubing; The meanwhile large torque nut 9 of rotation slowly, moves straight down lower dynamic model 4 and upper dynamic model 8, thereby reaches the effect of bend pipe; After to be processed, can take out tubing.
When tubing is carried out to shear-bow, by fuse device, wire is heated to melting, make it along gap, flow to the surface of tube wall thickness attenuate, it is carried out to metal compensation.Meanwhile the remaining temperature of motlten metal is improved the material properties of tubing.
It is by wire is heated to melting that differential temperature is sheared multi-curvature bend pipe compensation technique, and the part of wall thickness reduction when the wire of melting covers bending pipes, realizes the compensation of tubing; Tubing relies on the remaining temperature of motlten metal silk to comply with and progressively heating lowerly, thereby improves the plasticity of tubing, realizes the differential temperature processing of tubing; The routing motion of dynamic model and cover half is realized the shearing of bend pipe; By changing the internal diameter of replaceable sleeve, realize the bend pipe of different curvature is carried out to differential temperature compensatory shear.
Above-mentioned embodiment is not limitation of the present invention; the present invention is also not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art make within the scope of technical scheme of the present invention, also all belong to protection scope of the present invention.
Claims (7)
1. differential temperature is sheared a multi-curvature bend pipe compensation equipment, comprises cover half, dynamic model, location case, it is characterized in that: described cover half consists of lower cover half, upper cover half, replaceable gap sleeve, fuse device and material conveyer; Described dynamic model is comprised of replaceable complete sleeve, lower dynamic model, upper dynamic model, large torque nut, screw rod and right binding clasp; Described material conveyer consists of hydraulic stem and left binding clasp;
Described upper cover half, lower cover half device in the case of location, upper cover half be positioned at lower cover half above and near the left side of location case; Described replaceable gap sleeve be embedded between cover half and lower cover half and and upper cover half, lower cover half carry out interference fit;
Described fuse device is by movable fuse winding, fixing fuse winding and can unload groups of metal filaments and become, and the two ends of fuse device coordinate with the latch at temperature controller two ends.
2. differential temperature according to claim 1 is sheared multi-curvature bend pipe compensation equipment, it is characterized in that: described material conveyer is positioned at lower cover half left side, and the hydraulic stem of material conveyer, left binding clasp are threaded with lower cover half.
3. differential temperature according to claim 1 is sheared multi-curvature bend pipe compensation equipment, it is characterized in that: the upper dynamic model in described dynamic model and lower dynamic model are laid the right side that is positioned at location case, and finely tune by dog screw; Upside and screw rod that described upper dynamic model is positioned at lower dynamic model are threaded connection; Described lower dynamic model is connected with upper dynamic model with bolt by bearing pin.
4. differential temperature according to claim 3 is sheared multi-curvature bend pipe compensation equipment, it is characterized in that: described screw rod is arranged in the guide groove of location case.
5. differential temperature according to claim 1 is sheared multi-curvature bend pipe compensation equipment, it is characterized in that: described large torque nut is threaded with screw rod, and is close to the upper end, right side that is attached to location case.
6. differential temperature according to claim 1 is sheared multi-curvature bend pipe compensation equipment, it is characterized in that: described replaceable complete sleeve coordinates with upper dynamic model, lower dynamic model and embeds between dynamic model and lower dynamic model; Described right binding clasp is welded on the right side of lower dynamic model.
7. differential temperature according to claim 1 is sheared multi-curvature bend pipe compensate for process, it is characterized in that: the operating procedure of described technique is as follows:
1, first according to the diameter of tubing, the position of dynamic model and upper dynamic model under logical excessive torque nut and dog screw adjustment, make lower dynamic model and upper dynamic model in the vertical direction guarantee that the central shaft of replaceable complete sleeve aligns with the central shaft of the replaceable gap sleeve on lower cover half, upper cover half, the length that the about tubing of distance that makes the right flank of left surface in the horizontal direction of lower dynamic model, upper dynamic model and lower cover half, upper cover half is diameter;
2, after adjusting, tubing, through replaceable complete sleeve and replaceable gap sleeve, is adjusted and wanted bending position, by the device that steps up of lower dynamic model right-hand member, tubing is stepped up; Then the latch at serviceability temperature controller two ends is connected to the two ends of fuse device, to movable fuse winding, fixing fuse winding heating; After can unloading the heated thawing of wire, can under the effect of movable fuse winding, the unloaded wire melting be pressed into replaceable gap sleeve, and flow on the upper surface of tubing; The meanwhile large torque nut of rotation slowly, moves straight down lower dynamic model and upper dynamic model, thereby reaches the effect of bend pipe; After to be processed, can take out tubing.
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CN201310746474.6A CN103752665B (en) | 2013-12-31 | 2013-12-31 | A kind of differential temperature shears multi-curvature bend pipe compensation equipment and technique |
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CN103752665B CN103752665B (en) | 2015-11-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104139105A (en) * | 2014-07-02 | 2014-11-12 | 中国航空工业集团公司北京航空制造工程研究所 | Titanium pipe differential-temperature shearing and cutting forming method and device |
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US5284041A (en) * | 1993-05-10 | 1994-02-08 | Amana Refrigeration, Inc. | Method for bending tubes using split die |
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CN102962304A (en) * | 2012-12-07 | 2013-03-13 | 哈尔滨工业大学 | Liquid filling shearing bending formation method for small bending radius rectangular tube |
CN103042034A (en) * | 2012-12-29 | 2013-04-17 | 重庆理工大学 | Method and die for preparing magnesium alloy board with multistage continuous corner cutting deformation |
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2013
- 2013-12-31 CN CN201310746474.6A patent/CN103752665B/en not_active Expired - Fee Related
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US5142895A (en) * | 1989-05-15 | 1992-09-01 | Amana Refrigeration, Inc. | Method for bending tubes |
US5284041A (en) * | 1993-05-10 | 1994-02-08 | Amana Refrigeration, Inc. | Method for bending tubes using split die |
CN201073667Y (en) * | 2007-08-22 | 2008-06-18 | 马鞍山钢铁股份有限公司 | Bending device for cooling pipe of blast furnace steel-casting cooling wall |
JP2012076100A (en) * | 2010-09-30 | 2012-04-19 | Kobe Steel Ltd | Method of manufacturing press-formed article |
CN102527848A (en) * | 2012-01-10 | 2012-07-04 | 西北工业大学 | Numerical-control heating bending die and forming method for large-diameter thin-wall pure titanium tube |
CN102962304A (en) * | 2012-12-07 | 2013-03-13 | 哈尔滨工业大学 | Liquid filling shearing bending formation method for small bending radius rectangular tube |
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Cited By (1)
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CN104139105A (en) * | 2014-07-02 | 2014-11-12 | 中国航空工业集团公司北京航空制造工程研究所 | Titanium pipe differential-temperature shearing and cutting forming method and device |
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